FileNameMap *maps, int size);
 static void transfer_relfile(pageCnvCtx *pageConverter,
                 const char *fromfile, const char *tofile,
-                const char *oldnspname, const char *oldrelname,
-                const char *newnspname, const char *newrelname);
+                const char *old_nspname, const char *new_nspname,
+                const char *old_relname, const char *new_relname);
 
 /* used by scandir(), must be global */
 char       scandir_file_pattern[MAXPGPATH];
         */
        unlink(new_file);
        transfer_relfile(pageConverter, old_file, new_file,
-                        maps[mapnum].old_nspname, maps[mapnum].old_relname,
-                        maps[mapnum].new_nspname, maps[mapnum].new_relname);
+                        maps[mapnum].old_nspname, maps[mapnum].new_nspname,
+                        maps[mapnum].old_relname, maps[mapnum].new_relname);
 
        /* fsm/vm files added in PG 8.4 */
        if (GET_MAJOR_VERSION(old_cluster.major_version) >= 804)
 
                    unlink(new_file);
                    transfer_relfile(pageConverter, old_file, new_file,
-                             maps[mapnum].old_nspname, maps[mapnum].old_relname,
-                            maps[mapnum].new_nspname, maps[mapnum].new_relname);
+                             maps[mapnum].old_nspname, maps[mapnum].new_nspname,
+                             maps[mapnum].old_relname, maps[mapnum].new_relname);
                }
            }
        }
 
                unlink(new_file);
                transfer_relfile(pageConverter, old_file, new_file,
-                             maps[mapnum].old_nspname, maps[mapnum].old_relname,
-                            maps[mapnum].new_nspname, maps[mapnum].new_relname);
+                             maps[mapnum].old_nspname, maps[mapnum].new_nspname,
+                             maps[mapnum].old_relname, maps[mapnum].new_relname);
            }
        }
    }
  * Copy or link file from old cluster to new one.
  */
 static void
-transfer_relfile(pageCnvCtx *pageConverter, const char *oldfile,
-        const char *newfile, const char *oldnspname, const char *oldrelname,
-                const char *newnspname, const char *newrelname)
+transfer_relfile(pageCnvCtx *pageConverter, const char *old_file,
+        const char *new_file, const char *old_nspname, const char *new_nspname,
+        const char *old_relname, const char *new_relname)
 {
    const char *msg;
 
 
    if (user_opts.transfer_mode == TRANSFER_MODE_COPY)
    {
-       pg_log(PG_INFO, "copying %s to %s\n", oldfile, newfile);
+       pg_log(PG_INFO, "copying %s to %s\n", old_file, new_file);
 
-       if ((msg = copyAndUpdateFile(pageConverter, oldfile, newfile, true)) != NULL)
+       if ((msg = copyAndUpdateFile(pageConverter, old_file, new_file, true)) != NULL)
            pg_log(PG_FATAL, "error while copying %s.%s(%s) to %s.%s(%s): %s\n",
-                  oldnspname, oldrelname, oldfile, newnspname, newrelname, newfile, msg);
+                  old_nspname, old_relname, old_file, new_nspname, new_relname, new_file, msg);
    }
    else
    {
-       pg_log(PG_INFO, "linking %s to %s\n", oldfile, newfile);
+       pg_log(PG_INFO, "linking %s to %s\n", old_file, new_file);
 
-       if ((msg = linkAndUpdateFile(pageConverter, oldfile, newfile)) != NULL)
+       if ((msg = linkAndUpdateFile(pageConverter, old_file, new_file)) != NULL)
            pg_log(PG_FATAL,
               "error while creating link from %s.%s(%s) to %s.%s(%s): %s\n",
-                  oldnspname, oldrelname, oldfile, newnspname, newrelname,
-                  newfile, msg);
+                  old_nspname, old_relname, old_file, new_nspname, new_relname,
+                  new_file, msg);
    }
    return;
 }